Suppose there is currently a tax of 
50 per ticket to 20, and the price paid by buyers will decrease by less than 20, and the price paid by buyers will decrease by 20, and the effective price received by sellers will increase by less than 20, and the effective price received by sellers will increase by $20.
微观经济学（全英）
章节列表
1. General Overview of Economics282. Principles of Economics353. Circular-Flow Diagram and PPF204. Interdependence and Trade205. Demand and Supply756. Elasticity717. Price Control and Taxation408. CS, PS and the Efficiency of Markets109. Costs of Taxation2510. International Trade3011. Externalities3112. Public Goods and Common Resources2013. The Costs of Production20